I Was Turned into Elixir and Became Someone Else's Golden Finger.

As the author of the novel, Chen Xuan traveled through time. Different from other people's talents as emperors and the pride of heaven, Chen Xuan traveled through time and became the tool man in his own book, the protagonist's exclusive golden finger, Danzu, a character destined to become the protagonist's stepping stone. The moment he knew he had traveled through time, Chen Xuan felt no joy, only panic. You know, Dan Zu was taken away from his body and his spiritual consciousness was wiped out in the first chapter of the plot... This book is also known as "I am the Tool Master", "Me and My Several Resentful Disciples", and "The Retirement Career Danzu Dreams of"